Advertisements
Advertisements
प्रश्न
The slope of a speed-time graph gives:
विकल्प
distance travelled
velocity
acceleration
displacement
Advertisements
उत्तर
acceleration
The rate of change of speed per unit time is termed as acceleration. So, the answer is
(c) Acceleration
APPEARS IN
संबंधित प्रश्न
What is meant by the term acceleration ? State the SI unit of acceleration.
A train travelling at 20 m s-1 accelerates at 0.5 m s-2 for 30 s. How far will it travel in this time ?
A train starting from stationary position and moving with uniform acceleration attains a speed of 36 km per hour in 10 minutes. Find its acceleration.
A car is travelling along the road at 8 ms-1. It accelerates at 1 ms-2 for a distance of 18 m. How fast is it then travelling ?
A freely falling object travels 4.9 m in 1st second, 14.7 m in 2 nd second, 24.5 m in 3rd second, and so on. This data shows that the motion of a freely falling object is a case of :
Give one example of following motion :
Variable acceleration
If a stone and a pencil are dropped simultaneously in vacuum from the top of a tower, then which of the two will reach the ground first? Give reason.
The figure shows the displacement - time graph for four bodies A, B C and D. In each case state what information do you get about the acceleration (zero, positive or negative).

For a uniformly retarded motion, the velocity-time graph is _____________
A stone thrown vertically upwards takes 3 s to attain maximum height. Calculate
- initial velocity of the stone
- maximum height attained by the stone. (Take g = 9.8 ms−2)
